outgoinguux.java

封装的msn代码,利用他很容易就可以登录msn.实现和msn通讯的目的.

/*
 * Copyright 2004-2005 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package net.sf.jml.protocol.outgoing;

import net.sf.jml.MsnProtocol;
import net.sf.jml.exception.UnsupportedProtocolException;
import net.sf.jml.protocol.MsnOutgoingMessage;
import net.sf.jml.util.GUID;
import net.sf.jml.util.StringUtils;

/**
 * Set personal message and current media.
 * <p>
 * Supported Protocol: MSNP11
 * <p>
 * Syntax: UUX trId msgLen\r\n content
 * 
 * @author Roger Chen
 */
public class OutgoingUUX extends MsnOutgoingMessage {

    private String personalMessage = "";
    private String currentMedia = "";

    public OutgoingUUX(MsnProtocol protocol) {
        super(protocol);
        if (protocol.before(MsnProtocol.MSNP11)){
            throw new UnsupportedProtocolException(new MsnProtocol[] { protocol }) ;
        }
        setCommand("UUX");
    }

    @Override
	protected boolean isSupportChunkData() {
        return true;
    }

    public void setPersonalMessage(String message) {
        this.personalMessage = message;
        buildData();
    }

    public void setCurrentMedia(String currentMedia) {
        this.currentMedia = currentMedia;
        buildData();
    }

    public void setCurrentMedia(String title, String artist, String album, GUID contentId) {
        String split = "\\0";
        StringBuffer buffer = new StringBuffer();
        buffer.append(split).append("Music");
        buffer.append(split).append("1");
        buffer.append(split).append("{0} - {1}");
        buffer.append(split).append(title == null ? "" : title);
        buffer.append(split).append(artist == null ? "" : artist);
        buffer.append(split).append(album == null ? "" : album);
        // See ASF special "Metadata Library Object--WM/WMContentID"
        buffer.append(split).append(
                contentId == null ? "" : "{" + contentId + "}");
        buffer.append(split);
        setCurrentMedia(buffer.toString());
    }

    private void buildData() {
        StringBuffer buffer = new StringBuffer();
        buffer.append("<Data>");
        if (this.personalMessage != null) {
            buffer.append("<PSM>");
            buffer.append(StringUtils.xmlEscaping(personalMessage));
            buffer.append("</PSM>");
        }
        if (this.currentMedia != null) {
            buffer.append("<CurrentMedia>");
            buffer.append(StringUtils.xmlEscaping(currentMedia));
            buffer.append("</CurrentMedia>");
        }
        buffer.append("</Data>");
        setChunkData(buffer.toString());
    }
}